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Jorijn van der Graaf 2026-10-31 06:52:22 +01:00
commit b701059c8c
Signed by: jorijnvdgraaf
GPG key ID: 2937E59CDCC1BCFB
7 changed files with 331 additions and 62 deletions
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13
interfaces/Crafter.Math-VectorF32.cppm
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@ -1366,12 +1366,13 @@ namespace Crafter {
return v + t * q.template Shuffle<{{3,3,3,3}}>() + Cross(qv, t);
}
constexpr static VectorF32<4, 2> RotatePivot(VectorF32<3, Packing> v, VectorF32<4, Packing> q, VectorF32<3, Packing> pivot) requires(Len == 3) {
VectorF32<Len, Packing> translated = v - pivot;
VectorF32<3, Packing> qv(q.v);
VectorF32<Len, Packing> t = Cross(qv, translated) * float(2);
VectorF32<Len, Packing> rotated = translated + t * q.template Shuffle<{{3,3,3,3}}>() + Cross(qv, t);
return rotated + pivot;
// Through Rotate, like the other backends: it repacks the quaternion's
// xyz lanes into the 3-vector layout. This used to repeat Rotate's
// arithmetic with the register taken as is (qv(q.v)), which only lines
// up for Packing 1, and to return a VectorF32<4, 2> whatever the shape.
constexpr static VectorF32<3, Packing> RotatePivot(VectorF32<3, Packing> v, VectorF32<4, Packing> q, VectorF32<3, Packing> pivot) requires(Len == 3) {
VectorF32<3, Packing> translated = v - pivot;
return Rotate(translated, q) + pivot;
}
constexpr static VectorF32<4, Packing> QuanternionFromEuler(VectorF32<3, Packing> EulerHalf) requires(Len == 4) {